543998310400 has 144 divisors (see below), whose sum is σ = 1354413780720. Its totient is φ = 216691507200.

The previous prime is 543998310397. The next prime is 543998310407. The reversal of 543998310400 is 4013899345.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543998310407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12317157 + ... + 12361243.

It is an arithmetic number, because the mean of its divisors is an integer number (9405651255).

Almost surely, 2^543998310400 is an apocalyptic number.

543998310400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 543998310400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (677206890360).

543998310400 is an abundant number, since it is smaller than the sum of its proper divisors (810415470320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

543998310400 is a wasteful number, since it uses less digits than its factorization.

543998310400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44360 (or 44335 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 543998310400 in words is "five hundred forty-three billion, nine hundred ninety-eight million, three hundred ten thousand, four hundred".